Unit review: Unit 5 Lewis and VSEPR

Which of the following is the correct Lewis structure for CH₂O?

• Option A
• Option B
• Option C
• Option D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Determine the type of bond in a nitrogen molecule (N₂). HINT: Look at the number of valence electrons it needs to share

• Double covalent

• Single covalent

• Ionic

• Triple covalent

Which bond would be the STRONGEST

• O2

• F2

• H2

• N2

Which bond would be the SHORTEST

• N2

• H2

• F2

• O2

What Molecular geometries are possible for 4 electron domains

• tetrahedral, trigonal planar, bent

• tetrahedral, trigonal pyramidal, linear

• tetrahedral, trigonal pyramidal, bent

• tetrahedral, trigonal planar, linear

When 5 electron domains are present, the lone pairs are always added to the ______ atoms

• axial

• equatorial

• redundant

• central

What are the eg and mg for a molecule with 6 electron domains, 2 of which are lone pairs?

• octahedral; seesaw

• octahedral, square pyramidal

• octahedral; square planar

• octahedral, t shaped

Which molecule would have this molecular geometry?

• BF₃
• CH₄
• PCl₅
• CO₂

Tags

NGSS.MS-PS1-1

What molecule could this be? 

• BF₃
• CH₄
• H₂O
• CO₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What molecule could this be? 

• H₂O
• CCl₄
• PCl₅
• NaCl

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2